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Finding the Fourth Proportional to 118,440.78, 177,661.17 and 59,216.82

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Solution

The fourth proportional to 118,440.78, 177,661.17 and 59,216.82 is: 88,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,440.78 : 177,661.17 = 59,216.82 : x
  2. Step 2: Convert to fraction form
    118,440.78/177,661.17 = 59,216.82/x
  3. Step 3: Cross multiply
    118,440.78x = 177,661.17 × 59,216.82
  4. Step 4: Simplify right side
    118,440.78x = 10,520,529,524.88
  5. Step 5: Solve for x
    x = 10,520,529,524.88/118,440.78
  6. Step 6: Final answer
    x = 88,825.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.